> Here is the scheduler-tunables patch updated to include USER_PENALTY and> THREAD_PENANTY. This on top of ptg_B0.

there's no way we'll make the scheduler internal constants tunable in sucha wide range. Such a patch has been submitted a couple of months agoalready. I do use something like that to test tunings, but it's definitelynot something we want to make tunable directly in the stock kernel.